The Rookie Rabbit is the rather unknown model which started the DT-01 chassis.
Although not actually labelled as DT-01, the chassis is unmistakably the DT-01, later more known from the Fighter Buggy, Mad Bull, etc. Later the DT-02 and DT-03 versions of the chassis has been released.
Swing axle w/ coil spring
Rigid axle w/coil spring